Verify you are using what you expect with java. To further confuse you, Oracle refers to the various downloads of Java updates. They are not updates, but entire new versions. If you have a bit Windows, install just a bit JDK. It will as a side effect install a bit JRE. If you have a bit Windows, install first a bit JDK.
Then install IntelliJ. It is important to install the bit JRE last so your browsers can find it. Below is how to get Java for Windows, Linux and Solaris. For other platforms e.
JDK 1. Includes JavaFX. If you have a 64 -bit browser, you can run your Applets and Web starts in 64 -bit too. All the common Windows browsers are still 32 -bit. The version you most likely want to download is: jdk-8uwindows-x Beware, JDK 1. The JDK , described here, is for people who want to write their own Java programs. If all you want to do is run them, or browse Applets on the web, you should use the much smaller JRE instead.
If you manually selected a location, then the JDK will be where you specified e. Many entries in the Java glossary contains links into the online docs in the Learning More section.
It is not at the top as advertised. It is confusing because there is a section of miscellaneous documentation at the top, which does not include the API documentation. There is no installer. I suggest you mark the docs directory as compressed to save space after you download and unzip it. Only the very curious will want the source downloads. The private debugging version is designed for tracing code through step by step.
If you are downloading the JRE installer for bit systems for update 9 Minor 1, Security 1, and Patch 1, then the file name jre Downloading the JDK Installer.
Running the JDK Installer. Installing the JDK Silently. Under the Download menu, click the Download link that corresponds to the. Download fhe file jdk Instead of double-clicking or opening the JDK installer, you can perform a silent, noninteractive, JDK installation by using command-line arguments. The following table lists example installation scenarios and the commands required to perform them.
This topic only applies to the JDK. If you do not set the PATH variable, then you must specify the full path to the executable file every time that you run it. For example:. The PATH environment variable is a series of directories separated by semicolons ; and is not case-sensitive. You should only have one bin directory for a JDK in the path at a time.
Those following the first instance are ignored. The new path takes effect in each new command window that you open after setting the PATH variable.
The bit Windows operating systems come with a bit Internet Explorer IE browser as the standard default for viewing web pages. Downloading the JRE Installer. Running the JRE Installer. If you are running behind a proxy server, then you must have your proxy settings correctly configured. If they are not configured, or are incorrectly configured, then the installer will terminate with the following message:.
If you do not know what the correct settings should be, check with your internet provider or system administrator. Windows Offline: jre Windows: jre It requires a commercial license for use in production.
By default, the Java Access Bridge is disabled. To access essential Java information and functions in Microsoft Windows 7 and Windows 10 machines, after installation, click the Start menu and then select Java. The Microsoft Windows 8 and Windows 8. The installation program for the Microsoft Windows version of the Java SE Runtime Environment uses the registry to store path and version information.
This key contains the string CurrentVersion , with a value that is the highest installed version on the system. JavaHome : the full path name of the directory in which the JRE is installed. If there are two versions of JDK or JRE installed on a system, one with the new version-string format introduced in JDK 9, and the other with the older version format, then there will be two different CurrentVersion registry key values.
For example, if JDK 1. During JDK install, Java menu items are added to the Windows Start menu to provide easy access to Java resources and a Java Development Kit folder is created in the Windows Start menu, which contains the following items:. During JDK installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JDK version on the system.
During JRE installation, Java menu items are added to the Windows Start menu to provide easy access to Java resources and a Java folder is created in the Windows Start menu, which contains the following items:. The tab displays the latest JRE version installed on the system.
Visit Java. During JRE installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JRE version on the system.
Java Web Start is an application-deployment technology that gives you the power to run full-featured applications with a single click from your web browser. With Java Web Start, you can download and run applications, such as a complete spreadsheet program or an internet chat client, without going through complicated installation procedures. With Java Web Start, you run applications simply by clicking a web page link. If the application is not present on your computer, Java Web Start automatically downloads all necessary files.
It then caches the files on your computer so that the application is always ready to be run anytime that you want - either from an icon on your desktop or from the browser link. No matter which method you use to run the application, the most current, available version of the application is always presented to you. If you have a previous version of Java Web Start, do not uninstall it. Uninstalling it will cause the download cache to be cleared, and all previously installed Java Web Start application data will have to be downloaded again.
The new version will write over previous installations and automatically update browsers to use the new version. The configuration files and the program files folder used by Java Web Start have changed, but all your settings will remain intact after the upgrade because Java Web Start will translate your settings to the new form. Previous releases have separate uninstallation instructions for Java Web Start.
When you remove the application, you see an Uninstaller Error dialog box saying:. If you say Yes to this, then you will see another Uninstaller Error dialog box saying:. Please contact your system administrator. Refresh the Add or Remove Programs by pressing F5 or reopen the panel. To avoid seeing the misleading message, either press F5 or reopen the dialog box. Java Plug-in technology, included as part of the JRE, establishes a connection between popular browsers and the Java platform.
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